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kernel/linux-rt-4.4.41/arch/arm/boot/dts/imx28-cfa10056.dts 2.86 KB
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  /*
   * Copyright 2013 Free Electrons
   *
   * The code contained herein is licensed under the GNU General Public
   * License. You may obtain a copy of the GNU General Public License
   * Version 2 or later at the following locations:
   *
   * http://www.opensource.org/licenses/gpl-license.html
   * http://www.gnu.org/copyleft/gpl.html
   */
  
  /*
   * The CFA-10055 is an expansion board for the CFA-10036 module and
   * CFA-10037, thus we need to include the CFA-10037 DTS.
   */
  #include "imx28-cfa10037.dts"
  
  / {
  	model = "Crystalfontz CFA-10056 Board";
  	compatible = "crystalfontz,cfa10056", "crystalfontz,cfa10037", "crystalfontz,cfa10036", "fsl,imx28";
  
  	apb@80000000 {
  		apbh@80000000 {
  			pinctrl@80018000 {
  				spi2_pins_cfa10056: spi2-cfa10056@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_SSP2_SCK__GPIO_2_16
  						MX28_PAD_SSP2_MOSI__GPIO_2_17
  						MX28_PAD_SSP2_MISO__GPIO_2_18
  						MX28_PAD_AUART1_TX__GPIO_3_5
  					>;
  					fsl,drive-strength = <MXS_DRIVE_8mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_ENABLE>;
  				};
  
  				lcdif_pins_cfa10056: lcdif-10056@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_LCD_RD_E__LCD_VSYNC
  						MX28_PAD_LCD_WR_RWN__LCD_HSYNC
  						MX28_PAD_LCD_RS__LCD_DOTCLK
  						MX28_PAD_LCD_CS__LCD_ENABLE
  					>;
  					fsl,drive-strength = <MXS_DRIVE_4mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_DISABLE>;
  				};
  
  				lcdif_pins_cfa10056_pullup: lcdif-10056-pullup@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
  						MX28_PAD_LCD_RESET__GPIO_3_30
  					>;
  					fsl,drive-strength = <MXS_DRIVE_4mA>;
  					fsl,voltage = <MXS_VOLTAGE_HIGH>;
  					fsl,pull-up = <MXS_PULL_ENABLE>;
  				};
  			};
  
  			lcdif@80030000 {
  				pinctrl-names = "default";
  				pinctrl-0 = <&lcdif_24bit_pins_a
  						&lcdif_pins_cfa10056
  						&lcdif_pins_cfa10056_pullup >;
  				display = <&display0>;
  				status = "okay";
  
  				display0: display0 {
  					bits-per-pixel = <32>;
  					bus-width = <24>;
  
  					display-timings {
  						native-mode = <&timing0>;
  						timing0: timing0 {
  							clock-frequency = <32000000>;
  							hactive = <480>;
  							vactive = <800>;
  							hback-porch = <2>;
  							hfront-porch = <2>;
  							vback-porch = <2>;
  							vfront-porch = <2>;
  							hsync-len = <5>;
  							vsync-len = <5>;
  							hsync-active = <0>;
  							vsync-active = <0>;
  							de-active = <1>;
  							pixelclk-active = <1>;
  						};
  					};
  				};
  			};
  		};
  	};
  
  	spi2 {
  		compatible = "spi-gpio";
  		pinctrl-names = "default";
  		pinctrl-0 = <&spi2_pins_cfa10056>;
  		status = "okay";
  		gpio-sck = <&gpio2 16 0>;
  		gpio-mosi = <&gpio2 17 0>;
  		gpio-miso = <&gpio2 18 0>;
  		cs-gpios = <&gpio3 5 0>;
  		num-chipselects = <1>;
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		hx8369: hx8369@0 {
  			compatible = "himax,hx8369a", "himax,hx8369";
  			reg = <0>;
  			spi-max-frequency = <100000>;
  			spi-cpol;
  			spi-cpha;
  			gpios-reset = <&gpio3 30 0>;
  		};
  	};
  };